*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#F4FAFC;color:#24505A;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.78;overflow-x:hidden}body.locked{overflow:hidden}a{color:#0F5B68;text-decoration:none}a:hover{color:#1A7F8F}img{max-width:100%;height:auto}.content-img{width:100%;height:auto;max-width:100%;object-fit:contain;object-position:center;display:block}.site-header{position:fixed;z-index:1000;top:0;left:0;right:0;height:72px;background:rgba(255,255,255,.97);border-bottom:1px solid rgba(26,127,143,.16);backdrop-filter:blur(10px)}.header-inner{height:100%;max-width:1200px;margin:auto;padding:0 20px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px}.brand{display:flex;align-items:center;min-width:120px}.brand-logo{height:34px;width:auto;object-fit:contain}.brand-text{font-size:22px;font-weight:800;color:#0E3A46}.primary-nav{display:flex;justify-content:center;gap:8px;white-space:nowrap}.primary-nav a{padding:10px 12px;border-radius:10px;color:#24505A}.primary-nav a.active,.primary-nav a:hover{color:#0F5B68;background:#D7EEF2}.header-actions{display:flex;align-items:center;gap:8px}.icon-btn,.close-btn{min-height:44px;border:1px solid rgba(26,127,143,.18);background:#fff;color:#0F5B68;border-radius:10px;padding:0 14px;font:inherit;cursor:pointer}.app-link{display:inline-flex;align-items:center;min-height:44px;padding:0 15px;border-radius:10px;background:linear-gradient(135deg,#2BB3C4 0%,#1A7F8F 55%,#0F5B68 100%);color:#fff}.app-link:hover{color:#fff;filter:brightness(.98)}.site-main{padding-top:72px}.container{width:min(1200px,calc(100% - 40px));margin:0 auto}.hero,.page-hero{padding:42px 0 28px}.hero-media,.page-media{background:#E7F3F6;border-radius:18px;padding:14px;margin-bottom:28px}.hero-media img{max-height:420px;margin:auto}.eyebrow{font-size:14px;font-weight:700;letter-spacing:.08em;color:#1A7F8F;text-transform:uppercase}.hero h1,.page-hero h1{font-size:clamp(28px,4vw,42px);line-height:1.22;color:#0E3A46;margin:10px 0 16px}.page-hero h1{font-size:clamp(28px,3vw,34px)}.lead{font-size:18px;max-width:820px;color:#4A7380}.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 18px;border-radius:11px;font-weight:700}.btn-primary{background:linear-gradient(135deg,#2BB3C4 0%,#1A7F8F 55%,#0F5B68 100%);color:#fff}.btn-secondary{background:#fff;border:1px solid rgba(26,127,143,.24);color:#0F5B68}.btn-primary:hover{color:#fff}.section{padding:48px 0}.section.alt{background:#E7F3F6}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:24px}.section-head h2{margin:0;color:#0E3A46;font-size:clamp(24px,3vw,32px)}.section-head p{max-width:680px;margin:0;color:#4A7380}.grid{display:grid;gap:20px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:#fff;border:1px solid rgba(26,127,143,.14);border-radius:16px;padding:22px;box-shadow:0 14px 34px rgba(14,58,70,.06)}.card h3{margin-top:0;color:#0E3A46}.card p:last-child{margin-bottom:0}.magazine{display:grid;grid-template-columns:1.55fr 1fr;gap:22px}.mag-main,.mag-side article{background:#fff;border-radius:18px;padding:24px;border:1px solid rgba(26,127,143,.14)}.mag-side{display:grid;gap:18px}.split{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}.split.reverse .media{order:2}.media{background:#E7F3F6;border-radius:18px;padding:12px}.media img{max-height:360px;margin:auto}.text-list{display:grid;gap:12px}.text-list a,.text-list div{display:block;padding:15px 0;border-bottom:1px solid rgba(26,127,143,.14)}.number-list{counter-reset:n;display:grid;gap:16px}.number-list article{position:relative;padding:20px 20px 20px 72px;background:#fff;border-radius:16px;border:1px solid rgba(26,127,143,.14)}.number-list article:before{counter-increment:n;content:counter(n,decimal-leading-zero);position:absolute;left:20px;top:18px;font-weight:800;color:#2BB3C4;font-size:22px}.timeline{border-left:2px solid #2BB3C4;margin-left:10px;padding-left:26px;display:grid;gap:24px}.timeline article{position:relative}.timeline article:before{content:"";position:absolute;left:-34px;top:8px;width:14px;height:14px;border-radius:50%;background:#1A7F8F;border:3px solid #F4FAFC}.breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:14px;color:#7A9AA4;margin-bottom:10px}.breadcrumbs a{color:#4A7380}.article-copy{max-width:820px}.article-copy h2,.article-copy h3{color:#0E3A46;line-height:1.35;margin-top:30px}.article-copy p{margin:0 0 18px}.note-box{background:#D7EEF2;color:#0E3A46;border-radius:16px;padding:20px}.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}.step{background:#fff;border-top:4px solid #2BB3C4;border-radius:14px;padding:18px}.faq details{background:#fff;border:1px solid rgba(26,127,143,.14);border-radius:14px;padding:16px 18px;margin-bottom:12px}.faq summary{cursor:pointer;font-weight:700;color:#0E3A46}.faq details p{margin:12px 0 0}.site-footer{background:#0E3A46;color:#D4E8EC;padding:54px 0 calc(24px + env(safe-area-inset-bottom))}.footer-inner{width:min(1200px,calc(100% - 40px));margin:auto}.footer-brand{display:grid;grid-template-columns:1fr 2fr;gap:30px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.14)}.footer-brand-link{display:flex;align-items:center;gap:12px;color:#fff}.footer-logo{height:32px;width:auto}.footer-brand small{display:block;color:#9FC4CB}.footer-brand p{margin:0;max-width:720px}.footer-groups{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:26px;padding:34px 0}.footer-groups h2{font-size:16px;color:#fff;margin:0 0 12px}.footer-groups a{display:block;color:#D4E8EC;padding:4px 0}.footer-bottom{padding-top:18px;border-top:1px solid rgba(255,255,255,.14);font-size:14px;color:#9FC4CB}.overlay{position:fixed;z-index:1080;inset:0;background:rgba(14,58,70,.42);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.drawer{position:fixed;z-index:1100;top:0;right:0;width:min(430px,90vw);height:100vh;background:#fff;transform:translateX(104%);visibility:hidden;pointer-events:none;transition:.25s;overflow:auto;box-shadow:-18px 0 46px rgba(14,58,70,.18)}.drawer.is-open{transform:none;visibility:visible;pointer-events:auto}.drawer-head{position:sticky;top:0;background:#fff;display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid rgba(26,127,143,.14);z-index:2}.drawer-brand{display:flex;gap:10px;align-items:center;font-weight:800;color:#0E3A46}.drawer-brand img{height:30px;width:auto}.drawer-groups{padding:14px 18px 32px}.drawer-groups section{padding:15px 0;border-bottom:1px solid rgba(26,127,143,.12)}.drawer-groups h2{font-size:16px;color:#1A7F8F;margin:0 0 8px}.drawer-groups a{display:block;padding:10px 0}.drawer-groups b{display:block;color:#0E3A46}.drawer-groups span{display:block;color:#7A9AA4;font-size:14px;line-height:1.55}.search-panel{position:fixed;z-index:1090;top:72px;left:0;right:0;background:#fff;border-bottom:1px solid rgba(26,127,143,.14);box-shadow:0 18px 40px rgba(14,58,70,.12);transform:translateY(-12px);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.search-panel.is-open{transform:none;opacity:1;visibility:visible;pointer-events:auto}.search-inner{width:min(1100px,calc(100% - 40px));margin:auto;padding:20px 0 24px}.search-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;color:#0E3A46}.search-box{display:grid;gap:8px}.search-box input{width:100%;min-height:48px;border:1px solid rgba(26,127,143,.22);border-radius:12px;padding:0 14px;font:inherit;color:#0E3A46;background:#F4FAFC}.search-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:15px}.search-links a{padding:9px 12px;background:#E7F3F6;border-radius:10px}.mobile-nav{display:none}.callout{border-left:4px solid #1A7F8F;padding:16px 18px;background:#E7F3F6;border-radius:0 14px 14px 0}.index-line{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}.mini-stack{display:grid;gap:14px}.prose-columns{columns:2 320px;column-gap:36px}.prose-columns p{break-inside:avoid}.gallery-flow{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}.gallery-flow .stack{display:grid;gap:24px}.policy-sections{display:grid;gap:18px}.policy-sections article{background:#fff;border-radius:14px;padding:22px;border:1px solid rgba(26,127,143,.14)}:focus-visible{outline:3px solid rgba(43,179,196,.45);outline-offset:3px}
@media(max-width:980px){.primary-nav{gap:2px}.primary-nav a{padding:9px 8px;font-size:15px}.app-link{display:none}.grid-4{grid-template-columns:repeat(2,1fr)}.footer-groups{grid-template-columns:repeat(3,1fr)}.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){body{padding-bottom:calc(58px + env(safe-area-inset-bottom))}.site-header{height:64px}.site-main{padding-top:64px}.header-inner{grid-template-columns:1fr auto;padding:0 16px;gap:10px}.primary-nav{display:none}.brand{min-width:0}.brand-logo{height:30px;max-width:150px}.header-actions{gap:6px}.header-actions .icon-btn{padding:0 11px}.search-panel{top:64px}.container,.footer-inner,.search-inner{width:min(100% - 32px,1200px)}.hero,.page-hero{padding:28px 0 20px}.hero h1,.page-hero h1{font-size:30px}.lead{font-size:17px}.section{padding:38px 0}.grid-2,.grid-3,.grid-4,.magazine,.split,.index-line,.gallery-flow,.footer-brand{grid-template-columns:1fr}.split.reverse .media{order:0}.steps{grid-template-columns:1fr}.section-head{display:block}.section-head p{margin-top:8px}.footer-groups{grid-template-columns:repeat(2,1fr)}.mobile-nav{position:fixed;z-index:900;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;min-height:52px;padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid rgba(26,127,143,.16)}.mobile-nav a{display:flex;align-items:center;justify-content:center;min-height:52px;font-size:14px;color:#4A7380}.mobile-nav a.active{color:#0F5B68;background:#D7EEF2}.site-footer{padding-bottom:calc(84px + env(safe-area-inset-bottom))}.hero-media,.page-media{padding:8px}.media img{max-height:none}.prose-columns{columns:1}.search-links{gap:8px}.search-links a{flex:1 1 42%;text-align:center}.drawer{width:90vw}}
@media(max-width:480px){.footer-groups{grid-template-columns:1fr}.header-actions .icon-btn{font-size:14px}.brand-text{font-size:19px}.button-row .btn{width:100%}.grid{gap:14px}.card{padding:18px}}